1 /* Mapping tables for EUC-JP handling.
2 Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
28 /* Definitions used in the body of the `gconv' function. */
29 #define CHARSET_NAME "EUC-JP//"
30 #define FROM_LOOP from_euc_jp
31 #define TO_LOOP to_euc_jp
34 #define MIN_NEEDED_FROM 1
35 #define MAX_NEEDED_FROM 3
36 #define MIN_NEEDED_TO 4
39 /* First define the conversion function from EUC-JP to UCS4. */
40 #define MIN_NEEDED_INPUT MIN_NEEDED_FROM
41 #define MAX_NEEDED_INPUT MAX_NEEDED_FROM
42 #define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
43 #define LOOPFCT FROM_LOOP
46 uint32_t ch = *inptr; \
48 if (ch < 0x8e || (ch >= 0x90 && ch <= 0x9f)) \
50 else if (ch == 0xff) \
52 /* This is illegal. */ \
53 if (! ignore_errors_p ()) \
55 result = __GCONV_ILLEGAL_INPUT; \
65 /* Two or more byte character. First test whether the next \
66 character is also available. */ \
69 if (__builtin_expect (inptr + 1 >= inend, 0)) \
71 /* The second character is not available. Store the \
72 intermediate result. */ \
73 result = __GCONV_INCOMPLETE_INPUT; \
79 /* All second bytes of a multibyte character must be >= 0xa1. */ \
80 if (__builtin_expect (ch2 < 0xa1, 0)) \
82 /* This is an illegal character. */ \
83 if (! ignore_errors_p ()) \
85 result = __GCONV_ILLEGAL_INPUT; \
96 /* This is code set 2: half-width katakana. */ \
97 ch = jisx0201_to_ucs4 (ch2); \
98 if (__builtin_expect (ch, 0) == __UNKNOWN_10646_CHAR) \
100 /* Illegal character. */ \
101 if (! ignore_errors_p ()) \
103 /* This is an illegal character. */ \
104 result = __GCONV_ILLEGAL_INPUT; \
113 const unsigned char *endp; \
117 /* This is code set 3: JIS X 0212-1990. */ \
120 ch = jisx0212_to_ucs4 (&endp, inend - endp, 0x80); \
124 /* This is code set 1: JIS X 0208. */ \
127 ch = jisx0208_to_ucs4 (&endp, inend - inptr, 0x80); \
130 if (__builtin_expect (ch, 1) == 0) \
132 /* Not enough input available. */ \
133 result = __GCONV_INCOMPLETE_INPUT; \
136 if (__builtin_expect (ch, 0) == __UNKNOWN_10646_CHAR) \
138 /* Illegal character. */ \
139 if (! ignore_errors_p ()) \
141 /* This is an illegal character. */ \
142 result = __GCONV_ILLEGAL_INPUT; \
154 put32 (outptr, ch); \
157 #define LOOP_NEED_FLAGS
158 #include <iconv/loop.c>
161 /* Next, define the other direction. */
162 #define MIN_NEEDED_INPUT MIN_NEEDED_TO
163 #define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
164 #define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
165 #define LOOPFCT TO_LOOP
168 uint32_t ch = get32 (inptr); \
170 if (ch < 0x8e || (ch >= 0x90 && ch <= 0x9f)) \
171 /* It's plain ASCII or C1. */ \
173 else if (ch == 0xa5) \
174 /* YEN sign => backslash */ \
176 else if (ch == 0x203e) \
177 /* overscore => asciitilde */ \
181 /* Try the JIS character sets. */ \
184 /* See whether we have room for at least two characters. */ \
185 if (__builtin_expect (outptr + 1 >= outend, 0)) \
187 result = __GCONV_FULL_OUTPUT; \
191 found = ucs4_to_jisx0201 (ch, outptr + 1); \
192 if (found != __UNKNOWN_10646_CHAR) \
194 /* Yes, it's a JIS 0201 character. Store the shift byte. */ \
200 /* No JIS 0201 character. */ \
201 found = ucs4_to_jisx0208 (ch, outptr, 2); \
202 /* Please note that we always have enough room for the output. */ \
203 if (found != __UNKNOWN_10646_CHAR) \
205 /* It's a JIS 0208 character, adjust it for EUC-JP. */ \
211 /* No JIS 0208 character. */ \
212 found = ucs4_to_jisx0212 (ch, outptr + 1, \
213 outend - outptr - 1); \
215 if (__builtin_expect (found, 1) == 0) \
217 /* We ran out of space. */ \
218 result = __GCONV_FULL_OUTPUT; \
221 else if (__builtin_expect (found, 0) != __UNKNOWN_10646_CHAR) \
223 /* It's a JIS 0212 character, adjust it for EUC-JP. */ \
230 UNICODE_TAG_HANDLER (ch, 4); \
232 /* Illegal character. */ \
233 STANDARD_ERR_HANDLER (4); \
241 #define LOOP_NEED_FLAGS
242 #include <iconv/loop.c>
245 /* Now define the toplevel functions. */
246 #include <iconv/skeleton.c>